Beverage tumbler



FIG. 1 is a top front and left side perspective view of a beverage tumbler showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view; and

FIG. 5 is a bottom plan view. 

The ornamental design for a beverage tumbler, as shown. 